diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 000000000..a8f5a14b0
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,4 @@
+{
+  "printWidth": 110,
+  "proseWrap": "always"
+}
diff --git a/tools/check_for_upgrade.sh b/tools/check_for_upgrade.sh
index 3a6bb6555..734714c94 100644
--- a/tools/check_for_upgrade.sh
+++ b/tools/check_for_upgrade.sh
@@ -21,9 +21,11 @@ zstyle -s ':omz:update' mode update_mode || {
 # Cancel update if:
 # - the automatic update is disabled.
 # - the current user doesn't have write permissions nor owns the $ZSH directory.
+# - is not run from a tty
 # - git is unavailable on the system.
 if [[ "$update_mode" = disabled ]] \
    || [[ ! -w "$ZSH" || ! -O "$ZSH" ]] \
+   || [[ ! -t 1 ]] \
    || ! command git --version 2>&1 >/dev/null; then
   unset update_mode
   return